Объяснение:
b₄ = 36;
b₆ = 4.
q - ?
b₄ = b₁q³
b₆ = b₁q⁵
\frac{ b_{6}}{b_{4}}= \frac{b_{1}q^{5}}{b_{1}q^{3}}= q^{2}
b
4
b
6
=
b
1
q
3
b
1
q
5
=q
2
q^{2}= \frac{4}{36}= \frac{1}{9}q
2
=
36
4
=
9
1
q_{1} = \sqrt{ \frac{1}{9} }= \frac{1}{3}q
1
=
9
1
=
3
1
q_{2}=- \frac{1}{3}q
2
=−
3
1
